大约有 16,380 项符合查询结果（耗时：0.0855秒） [XML]
Python: Select subset from list based on index set
I have several lists having all the same number of entries (each specifying an object property):
5 Answers
...
What does glLoadIdentity() do in OpenGL?
I'm new to OpenGL and I'm a little overwhelmed with all of the random functions that I have in my code. They work and I know when to use them, but I don't know why I need them or what they actually do.
...
What exception classes are in the standard C++ library
...ould they be used for? I know there are a few new C++11 exceptions, but I'm not sure what they are or where they are.
2 An...
How do you loop through currently loaded assemblies?
I've got a "diagnostics" page in my ASP.NET application which does things like verify the database connection(s), display the current appSettings and ConnectionStrings, etc. A section of this page displays the Assembly versions of important types used throughout, but I could not figure out how to e...
Cannot use ref or out parameter in lambda expressions
Why can't you use a ref or out parameter in a lambda expression?
5 Answers
5
...
How to create your own library for Android development to be used in every program you write?
I am a Delphi programmer and have written, over the years, hundreds of classes and routines which I can use in every Delphi program I write.
...
Difference between a Seq and a List in Scala
I've seen in many examples that sometimes a Seq is being used, while other times is the List...
5 Answers
...
How do I remove packages installed with Python's easy_install?
Python's easy_install makes installing new packages extremely convenient. However, as far as I can tell, it doesn't implement the other common features of a dependency manager - listing and removing installed packages.
...
How to check if a specific key is present in a hash or not?
...
Hash's key? method tells you whether a given key is present or not.
session.key?("user")
share
|
improve this answer
|
...
With bash, how can I pipe standard error into another process?
...
There is also process substitution. Which makes a process substitute for a file.
You can send stderr to a file as follows:
process1 2> file
But you can substitute a process for the file as follows:
process1 2> >(process2)
Here is a concrete example tha...